Calcium and magnesium dissolved in water are the two most common minerals that make water "hard." The degree of hardness becomes greater as the calcium and magnesium content increases and is related to the concentration of multivalent cations dissolved in the water.
Love free stay clean and always be livky
Answer:
Has trouble breathing or is breathing in a strange way.
Has chest pain or pressure.
Has injuries to the head, neck, or back.
Has gone into shock.
Is or becomes unconscious
Coughing.
Clumsiness
Answer: Yeah
Explanation: I know this because it is common sense
